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diff --git a/src/declarative/scenegraph/coreapi/qsgmatrix4x4stack.h b/src/declarative/scenegraph/coreapi/qsgmatrix4x4stack.h
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSGMATRIX4X4STACK_H
+#define QSGMATRIX4X4STACK_H
+
+#include <QtGui/qmatrix4x4.h>
+#include <QtCore/qscopedpointer.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+class QSGMatrix4x4StackPrivate;
+
+class Q_DECLARATIVE_EXPORT QSGMatrix4x4Stack
+{
+public:
+    QSGMatrix4x4Stack();
+    ~QSGMatrix4x4Stack();
+
+    const QMatrix4x4 &top() const;
+
+    void push();
+    void pop();
+
+    void setToIdentity();
+
+    void translate(qreal x, qreal y, qreal z);
+    void translate(const QVector3D& vector);
+    void scale(qreal x, qreal y, qreal z);
+    void scale(qreal factor);
+    void scale(const QVector3D& vector);
+    void rotate(qreal angle, qreal x, qreal y, qreal z);
+    void rotate(qreal angle, const QVector3D& vector);
+    void rotate(const QQuaternion &quaternion);
+
+    QSGMatrix4x4Stack& operator=(const QMatrix4x4& matrix);
+    QSGMatrix4x4Stack& operator*=(const QMatrix4x4& matrix);
+
+    operator const QMatrix4x4 &() const;
+
+    bool isDirty() const;
+    void setDirty(bool dirty);
+
+private:
+    Q_DISABLE_COPY(QSGMatrix4x4Stack)
+    Q_DECLARE_PRIVATE(QSGMatrix4x4Stack)
+
+    QScopedPointer<QSGMatrix4x4StackPrivate> d_ptr;
+
+    friend class QGLPainter;
+};
+
+inline QSGMatrix4x4Stack::operator const QMatrix4x4 &() const
+{
+    return top();
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif